A big weekend of racing at Woodbine continues on Sunday with the $400,000, Grade 1 Natalma Stakes. The race is named after the dam of the great Canadian-bred racehorse and stallion Northern Dancer.

For the fifth year in a row, America’s Best Racing is challenging some of the brightest minds in horse betting to come up with their top three picks for key races every weekend leading up to the Breeders’ Cup World Championships. The handicappers face off in what we like to call the “Big Race Showdown.”